It could be that Might Guy is under some sort of mind - control. So, without his normal self - control, he attacks Tenten, making it necessary for Naruto to save her.
One possible plot could be a friendly sparring match between Tenten and Sakura. Tenten, known for her weapon skills, might challenge Sakura to a fight to test their respective strengths. Sakura, with her medical ninjutsu and brute force, would accept. They could start off evenly matched, but as the fight progresses, Sakura's strategic thinking and Tenten's unique weapon combinations could lead to an exciting and unpredictable outcome.
In a small town, there lived a good guy, Lily. She was a teacher. A bad guy, Mr. Dark, who was a drug dealer, was trying to corrupt the local youth. Lily noticed his activities. She gathered evidence secretly. Then, she bravely confronted Mr. Dark in front of the whole town. The townspeople supported her. They helped to arrest Mr. Dark, and Lily continued to educate the children to stay away from bad things.
It's really hard to say. If the fight is based on physical strength alone, Sakura might have the upper hand because of her superhuman strength. But if it's a battle of strategy and using the environment, Tenten could win. She is very resourceful when it comes to her weapons and can come up with creative ways to use them.
Naruto could use his Uzumaki bloodline's chakra reserves. He might overwhelm Might Guy with a large number of shadow clones, confusing him and creating an opening to save Tenten.
Well, there could be stories focusing on their deepening friendship, facing off against powerful enemies, or even exploring their personal growth and hidden talents.
Well, perhaps in this fanfiction, Might Guy is possessed by some sort of dark force. This makes him turn on Tenten during a sparring session. Naruto, being the hero he is, arrives just in time. He first tries to talk to Guy, but when that fails, he uses his speed and agility, skills he's honed over years of fighting. He quickly grabs Tenten and gets her to safety, then he has to figure out how to free Guy from the dark influence.
One common theme is justice. The good guy is usually fighting for what is right and fair, like in a story where a detective (the good guy) chases a criminal (the bad guy) to make sure the law is upheld. Another theme is sacrifice. Sometimes the good guy has to give up something to defeat the bad guy, for example, a hero leaving his family to go on a dangerous journey to stop an evil force. Also, redemption can be a theme. Maybe the bad guy has a chance to change in the story, but often they don't take it and the good guy has to force the situation to a conclusion.